./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:22,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:22,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:22,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:22,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:22,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:22,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:22,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:22,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:22,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:22,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:22,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:22,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:22,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:22,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:22,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:22,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:22,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:22,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:22,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:22,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:22,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:22,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:22,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:22,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:22,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:22,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:22,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:22,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:22,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:22,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:22,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:23,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:23,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:23,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:23,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:23,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:23,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:23,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:23,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:23,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:23,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:23:23,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:23,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:23,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:23,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:23,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:23,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:23,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:23,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:23,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:23,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:23,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:23,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:23,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:23,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:23,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:23,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:23,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:23,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:23,064 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:23,064 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:23,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:23,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:23,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:23,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:23,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:23,066 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:23,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:23,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:23,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f [2021-11-23 00:23:23,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:23,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:23,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:23,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:23,426 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:23,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2021-11-23 00:23:23,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/7eac052f1/e3123a48de2544e29a0b4024e15f395e/FLAG1ddd602bc [2021-11-23 00:23:23,988 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:24,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2021-11-23 00:23:24,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/7eac052f1/e3123a48de2544e29a0b4024e15f395e/FLAG1ddd602bc [2021-11-23 00:23:24,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/7eac052f1/e3123a48de2544e29a0b4024e15f395e [2021-11-23 00:23:24,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:24,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:24,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:24,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:24,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:24,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aedb4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24, skipping insertion in model container [2021-11-23 00:23:24,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:24,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:24,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2021-11-23 00:23:24,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:24,627 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:24,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2021-11-23 00:23:24,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:24,679 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:24,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24 WrapperNode [2021-11-23 00:23:24,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:24,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:24,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:24,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:24,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,761 INFO L137 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 173 [2021-11-23 00:23:24,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:24,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:24,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:24,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:24,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:24,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:24,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:24,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:24,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:24,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:24,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:24,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:23:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:23:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:23:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:23:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:23:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:23:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:23:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:23:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:23:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:23:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:23:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:23:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 00:23:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 00:23:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 00:23:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 00:23:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-11-23 00:23:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-11-23 00:23:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2021-11-23 00:23:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2021-11-23 00:23:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:23:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:23:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:24,920 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:23:25,026 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:25,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:25,477 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:25,640 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:25,640 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:25,641 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 00:23:25,642 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:23:25,647 INFO L158 Benchmark]: Toolchain (without parser) took 1318.58ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 59.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,648 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:25,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.71ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 88.8MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.06ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,653 INFO L158 Benchmark]: Boogie Preprocessor took 31.18ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,654 INFO L158 Benchmark]: RCFGBuilder took 850.24ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 59.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.71ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 88.8MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.06ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.18ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.24ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 59.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:23:25,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:28,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:28,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:28,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:28,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:28,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:28,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:28,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:28,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:28,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:28,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:28,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:28,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:28,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:28,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:28,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:28,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:28,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:28,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:28,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:28,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:28,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:28,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:28,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:28,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:28,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:28,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:28,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:28,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:28,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:28,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:28,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:28,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:28,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:28,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:28,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:28,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:28,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:28,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:28,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:28,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:28,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:23:28,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:28,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:28,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:28,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:28,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:28,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:28,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:28,395 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:28,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:28,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:28,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:28,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:28,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:28,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:23:28,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:23:28,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:23:28,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:28,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:28,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:28,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:28,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:28,398 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:28,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:28,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:28,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:28,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:28,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:28,400 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:23:28,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:23:28,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:28,401 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:23:28,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:23:28,401 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f [2021-11-23 00:23:28,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:28,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:28,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:28,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:28,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:28,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2021-11-23 00:23:28,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/ccc7d32bd/0380065175c64e72862cd23966946aaa/FLAG15098c315 [2021-11-23 00:23:29,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:29,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2021-11-23 00:23:29,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/ccc7d32bd/0380065175c64e72862cd23966946aaa/FLAG15098c315 [2021-11-23 00:23:29,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/data/ccc7d32bd/0380065175c64e72862cd23966946aaa [2021-11-23 00:23:29,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:29,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:29,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:29,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:29,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:29,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22bd55d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29, skipping insertion in model container [2021-11-23 00:23:29,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:29,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:30,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2021-11-23 00:23:30,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:30,106 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:30,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2021-11-23 00:23:30,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:30,222 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:30,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30 WrapperNode [2021-11-23 00:23:30,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:30,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:30,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:30,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:30,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,299 INFO L137 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 162 [2021-11-23 00:23:30,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:30,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:30,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:30,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:30,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:30,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:30,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:30,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:30,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:30,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:23:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:23:30,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:23:30,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:23:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:23:30,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:23:30,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:23:30,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:23:30,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:23:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:23:30,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:23:30,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:23:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 00:23:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 00:23:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 00:23:30,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 00:23:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-11-23 00:23:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-11-23 00:23:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2021-11-23 00:23:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2021-11-23 00:23:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:23:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:23:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:30,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:30,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:23:30,473 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:23:30,658 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:30,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:31,156 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:31,336 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:31,337 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:31,337 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 00:23:31,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:23:31,342 INFO L158 Benchmark]: Toolchain (without parser) took 1586.54ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 60.5MB in the beginning and 69.6MB in the end (delta: -9.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-23 00:23:31,343 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:31,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.56ms. Allocated memory is still 77.6MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:23:31,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.05ms. Allocated memory is still 77.6MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:31,345 INFO L158 Benchmark]: Boogie Preprocessor took 73.45ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:31,346 INFO L158 Benchmark]: RCFGBuilder took 964.97ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 69.6MB in the end (delta: -15.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:31,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.56ms. Allocated memory is still 77.6MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.05ms. Allocated memory is still 77.6MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.45ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 964.97ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 69.6MB in the end (delta: -15.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:23:31,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4657bd03-186d-4457-9183-f770792720c7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?